Kefir Cap Mason Jar Kefir Brewing Lid for Activating Kefir Grains and Brewing Water/Milk Kefir

Reusable Lid Brews Endless Amounts Kefir at Home – Stays on the Whole Process from Activation, to Brewing, Straining & Pouring

Materials Include Food-Safe Plastic

Designed for Wide Mouth Mason/Canning Jars (Ball, Bernardin, Kerr, etc.)